Clamp



FIG. 1 is a front perspective view of a clamp in accordance with our new design;

FIG. 2 is a right side view thereof;

FIG. 3 a left side view thereof for the side opposite that of FIG. 2 ;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan thereof; and,

FIG. 8 is a rear perspective view of thereof.

The broken lines shown in the drawings are only provided to illustrate the environment of the design, and form no part of the claimed design. 

CLAIM The ornamental design for a clamp, as shown and described. 